19802019968

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9100193}}^1$

素因数の和:9100224

約数の個数: 32

約数和(自身を含む): 41769890460

約数和(自身を除く): 21967870492

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9100193, 18200386, 36400772, 72801544, 145603088, 154703281, 291206176, 309406562, 582412352, 618813124, 1164824704, 1237626248, 2475252496, 4950504992, 9901009984, 19802019968]

約数ペア:

[(1, 19802019968), (2, 9901009984), (4, 4950504992), (8, 2475252496), (16, 1237626248), (17, 1164824704), (32, 618813124), (34, 582412352), (64, 309406562), (68, 291206176), (128, 154703281), (136, 145603088), (272, 72801544), (544, 36400772), (1088, 18200386), (2176, 9100193)]